The existence of an efficient and provably secure algebraically homomorphic scheme (AHS), i.e., one that supports both addition and multiplication operations, is a long stated o...
Legacy encryption systems depend on sharing a key (public or private) among the peers involved in exchanging an encrypted message. However, this approach poses privacy concerns....
In the RSA public-key crypto system a message M (<R) is encrypted by calculating K≡me (mod R), where 0<K<R and R, e are integers which are made public. The recipient of K can de...
Knapsack-based cryptosystems used to be popular in the beginning of public key cryptography before being all broken, all but the Chor-Rivest cryptosystem. We show how to break t...
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